Ventilator.



A. JOGH.

VENTILA'TOR.

I APPLICATION FILED JULY5,1913.

Patented Sept. 8,1914.

2 SHIRTS-SHEET 1.

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. THE NORRIS PETERS CD., FHDT-LITHO.. WAASHINGJUN. D. C4

Patented Sept. 8,'1914.

2 SHEETS-SHEET 2.

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' To all whom it may concern: v

imi TED srnrns 4ifnfrnnfr orrion.

ANTON JociLor CLEVELAND, onro.-

vEN'rrLA'roR.' 'l

Be it known that I, ANTON Joon, acitizen ofthe United States, residing at Cleveland, inthe county of Cuyahoga and State of Ohio, have invented a certain new and'use-H ful Improvement in Ventilators, of `,which the following is a full, clear, and exact description, reference being had to the accompanying drawings.

This invention relates to improvements in ventilators ofthe cowl type; and has for its object the provision of such a ventilator .which is extremely efcient; convenient of operation; and comparatively simple ofconstruction. y v

The eficiency of my improved ventilator 4 is considerably greater than that .of prevailing'ventilators of the samegeneral type, and this is' due to the fact that the closure for the top of my ventilator is capable of being raised, providing thereby an exhaust open-A ing of considerable area in addition to that n provided bythe usual` louver controlled eX- is a horizontal sect-ion on the line 22 of Fig. 1 and looking down; Fig. 3 is a view,

vsimilar to Fig. 1, with the cover of the` cowl vraised and the louvers in open position; and Figs. 4, 5 and 6' are sectional detailsof parts of the louvers.

The ventilator comprises, generally, an upper and a lower section, the former being rotatable and referred to hereinafter as the cowl, and the latter being stationary, and rreferred to as the base; and for convenience, that'portion of the cowl which is presented Vtothe wind will be considered the front,

.andrvits opposite side, or that containing the louver controlled opening, the rear.

Referring to the drawings by the use of reference characters, 1 represents the cowl yand2 the base whereby the cowl isrotatably supported ina manner which will-beeX plainedhereinafter. vThe cowl comprises a.

Specification of Letters IPateiit.

atfthebottom andhas its lower edge wired upper end of the'shell whereof the cowl is formed is inclined upwardly from front to y y v Patented Sept. 8, 1914.

Y Application filed July 5,1913. Serial No. 777,450.

substantiallyl cylindrical shell which is openl as shownv at Bin the usual manner. The

rear and is providedl with a l,cover 4. Dif? -1 rectly at its front a portion of the cover is flared outwardly into a substantially-hori- Zontal flange 5 wvhioh isof considerabley lateral extent. Toeach4 end of this flange is secured in `any convenient manner, as by riveting, a Vplate 6, shown indotted line lin,

Fig. 2.-. These plates terminate at their outer ends 1n cylindrical 'bosses which form gudgeons 7 for the coverl, and the gudgeons' are journaled in one' of the forwardly eX tending branches of theangular brackets H, the. inwardly extending vertical. branches whereof areriveted to the front of the cowl. The edge of the cover 4, except that portion which forms the flange 5 is turned down-* wardly to form a flange 9, and this flange is stiffenedby a band'lO which is'secured to it byrivets 11. -It will b`e seen, therefore, that I provide a very strong cover for my ventilator which is hinged in avery substantial manner to the front of the cowl. A substantially square hole is made in the rear of the .cowl and is surrounded by a box-shaped caslng '12 which comprises horizontal top and bottom walls 13 and side walls 14e', the former" being secured to the cowl through flanges 15 which are made integral with the cowl 4and extend therefrom into the interior of the casing 12, andthe rea-r lof the latter walls 14 having flanges 16 whereby they are secured to the shell of thecowl adjacent the sides of the aforesaid opening. The opening through the casing 12 is adapted to be closed by a series of louvers 17 which are pivoteda slight distance abovetheir vertical centers to the side walls l111 of thecasing-12. The novel methodk ofpivoting the louvers to said side walls involves the makingof three slits vnear each v end' A of veach louver bisecting the aXes whereon the louvers are 4pivoted, and

thelistrips of material between the slits l (which is indicated at :18 and showny par-l ticularly in Figs; land 5) arejcurved iny 0pposite directions.r Adapted to be inserted l from the end .of eachlouver into the sub-l stantially circular socket provided lby the alternatelyfdisposed curved `strips18x a pintle 19, and thatpor'tion of the pintle vwhich is adjacent the intermediate strip 18k has a pair of oppositely pojctingns20i' In assembling the parts, the alternate strips 18 are separateda suflicient distance to per mit the fins 20 to be inserted into position whereafter the strips are pressed rmly about the pintle, thus securing the pintle in place by the engagement of one end of the `fins 2O with the adjacent edge of the rst strip 18, and preventingthe displacement or withdrawal of the pintle. Riveted or otherwise secured to each louver near its lower edge and at substantially its longitudinal center is a loop 21 which is adapted to embrace one of thepinsv 22 supported within the` side flanges of a channel which yforms a link 23 wherebyall of the louvers are connected together and are moved in unison when one of the louvers is swung upon its pivot. The louversV are provided with the usual overhanging flanges 24 anol25.

The cowl l is carried by a central tubular post 26 to which it is secured by angle-iron braces 27 which have a portion of the outer j ends of their horizontal ianges turned downwardly and fastened by bolts 23, to the cylindrical shell of the cowl, said outer ends being spaced `at points `thereabout approximately 120o apart. The braces 27 converger toward the `center ofthe cowl wheretheir inner ends `are secured to ears 29 which projectradially from ythe upper end of a cast-1 metal cylindrical block 30. `This block is preferably shrunkupon the upper end of the post 26 andits lower end is tapered downwardly toward the post to form a cone 3l of a'ball bearing. r

Centrally located within the cylindrical shell or base 2 is a tube 32, supported from said shell byV braces 33 which are secured by screws 34 to a sleeve -35 which may be shrunk upon the ltube 32 near its 4lower end,

, and which piojectupwai'dly and outwardly therefrom to where their outer ends are riveted between the shell and the outer down-turned end of tie strips 36, the inner ends of the strips 36 being. secured to the legs of a `spider 37 which surrounds the tube 32 in any desired manner, as by bolts 38. Three .i of such braces and strips are employed and they are spaced `at equal distances about thebase, thereby providing a very substantial supportfor the tube 32. The upperend of the tube 32 is threaded for the reception vof anut 39, and-the top `face of the nutcontains a `recess which has an inclined bottom wall 40 to forma `racewa-y' j, the aforesaid cone 31 forms 'the' other mem-` beni 'The post v26 projects ydowi'iwardly through the tube. 32and iscentralized at its lower end by `the inwardly extending iiange 42 of a nuti43 which isf-threaded upon the lower end ofthe tube 32. A collar -44 which l @a setvscrewl45, holdsthe vcaladisnlaeement., l

V.issecured tothe lower end ofthe post 26 nby post against verti- 'located Projecting into thepath 'of move- `ment of the forward end ofthe lever 47 f The mechanism for raising the cover 4 of the cowl and for retaining it in raised posi j tion, will now be described.

Bolted to the rearwardly extending braces 27 are a pair of brackets 46 which extend upwardly and toward each other. vTheir adjacent ends are vertical and parallel, being spaced apart a slight distance for the accommodation of the lever 47 which is pivt oted therebetween upon a bolt 48, carried by i i 3 The rear endl of the 'lever 47 said brackets. is` pivotally connected to a link 49, which,

in turn, is pivoted at its opposite end to an l ear 50 which depends from the cover 4 at ,l w

about its center. The shorter and forward end of the lever 47 reposes, normally, di

rectly above ythe upper end of the post 2G` i and has secured to it a cable 51 which passes downwardly through said post to the inside of the building whereon the ventilator is is the turned over end of a spring `52, its opposite end being secured to the rearwardlyy extending brace 27 by the same bolt whereby the brace issecnred to the ear 29 of the block 30. l/Vhile this is my preferred form i of fastening the spring toa stationary part of the cowl, it is obvious 4that other methods is formed, thus holding the spring in proper position even though but one bolt is used for its attachment.

. then it is desired to raise the top ofthe ventilator, the cable 51 is drawn downwardly until the forward end of the lever 47 passes the freeend of the spring 52, the

spring yielding to permit of such an opera-V y tion. The cable 51 is then gently relaxed, allowing the end of the lever to ybear against the spring, as shown in F ig. 2, the tension of the spring being suilicient, of course, to retain the parts in this position under ordi nary conditions. To lower the top, it is only necessary to pull downwardly on the i `cable 51 and quickly release it, when the inertia of the cover 4 will be transferred through the link 49v and lever 47 `to the-W spring and force it beyond the front end of the lever 47, permitting said lever, with the other parts, to return to normal position.

iis

Furthermore, the tension of the spring 52 1 i is such as will permit it fto yield and allow the cover to close in case the wind rises toa.

high velocity when it would be undesirable` to ,have the cover of the ventilator raised.

To open the louvers y17 of the ventilator, 1) I employ mechanism which comprises *a curved arm 53 which is pivoted at`54 ltoav iso 1 and the post 26,-the arm53 terminates f within a short distance of one of the louvers 17.j Carried by'this louver is a curved plate 57 havingf its 'outer end" notched at 58 to form a guide for the free end (of the arm 53,

and the ylower portion of the adjacent end of' the arm is ycut away to form a shoulder 59.

Y Secured to the arm 53 within the posty 26 is ar cable 60 whichy extends l, downwardly through the post -in juxtapositionv to the cable 51. When this cable is pulled, vit

swings the arm 53 downwardly and by the engagement of the lower edge of its forward portion withthe bottom of the notch58, the

louver which carries the bracket 57 is swung.

upon its pivotto substantially horizontal position, as shown in Fig. 2, and by reason of the connection of all of the louvers through the link 23,'said louvers are swung to a similar position simultaneously. When in the position shown in Fig. 2, the shoulder i 59 abuts the bottom ofthe notch 58 of they plate 57, and since such point ofy engagev ment is below the common plane ofthe pivot points of the arm 53 and the louvers -17 the said parts `will remain in such position, the weight of the lower vends of the louvers and the link 23 accentuating such an action. A spring 6l is carried by one of the forwardly extending braces 27 and preferably secured thereto by the same bolt which connects one of the brackets 46 to said brace, and is curved downwardly and forwardly toward the center of the ventilator where it ends in substantially the vertical `plane of the arm 53.

Directly beneath the arm, the spring is pro-v vided with an adjustment screw 62.` rlhe closing of the louvers is accomplished by a quick jerk on the -cable and this quick movement is imparted to the louvers through the engagementV of the reduced end of the arm 53 with the bracket 59.'. The return movement of the louvers is comparatively slow (because of the proportion of` their parts) as compared to 'the quick up-V ward movement of the arm 53 which is caused by the recoil of thel spring 61, said spring being placed under tension when the bottom edge of the arm 53 has depressed the' adjustmentscrew 62. This action allows the disengagement of the shoulder 59 from the bottom of the notch 58 and the parts are free to return to normal position,

the arm 53 being raised by the weight of the outer edges of the-louver 17 and the link 23.

Having thus described my invention, what I claim is l. In a ventilator, the combination, with a tubular base, of a cowl rotatably supported thereby and having an opening in its top Projecting rearwardly through aslot 56 which is formed within the block `and an opening in one side, and a cover for -said cowl which is hingedvto that side of the cowl vopposite the, aforesaid opening.

` `.2. ln ventilator, the combination with .a tubular base, of a Vcowlrotatably support. ed thereby and vhavingr an opening in its-top and an opening in one'. side, and a cover for said cowl which ifs hinged to that side of the cowlopposite the aforesaid opening, and

vmechanism for raising said cover.

3. ln aventilator, the combination, with a tubular base, of a; cowl rotatably'y supportyed thereby and having an opening in its top and an: .openingin one side, a cover for saidcowl which is hingedv to that side of the cowl opposite the aforesaid opening, mechanism for raising said cover, and means for retaining the mechanism vin cover raising position.

4:. A ventilator comprising, in combination, a cowl having an opening in one of its sides, a louver pivotally supported within saidl opening, a bracket carried by the louver,

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and an arm pivoted within the cowl the free end of which overhangs the end of the aforesaid bracket, the endof said arm beingy arranged to abut the end of the bracket when the louver is in openfposition.

f 5. A ventilator comprising, in combination, a cowl having a substatially rectangular opening in one side thereof which is surrounded by a frame, a series of louvers pivoted within` said frame and having their corresponding edges linked together, a bracket carried by one of the louvers said bracket extending toward the interior of the cowl and having a portion of its end in a substantially `parallel plane with the louver there being a notch within such end, and an Varmpivoted within the cowl and extending toward said bracket and through the notch therein, the free end of the arm having a shoulder whichv is arranged to abut the bottomof said notch, when the louver is in open position.

6. A ventilator comprising, in combination, a cowl having a substatially rectangular opening in one side which is surrounded. by a frame, a series of louvers pivoted within said frame andhaving their correspond ing edges linkedtogether, a bracket carried by one of the louvers, said bracket extending toward the interior of the cowl and having a portion of its end in a substantially parallel plane with the louver, and an arm pivoted within the cowl the free end of which overl hangs the end of the aforesaid bracket, the end of said arm being arranged lto abut the end of the bracket when the louvers are in open position.

7. A ventilator comprising, in combination, a cowl having an opening in one side thereof,a louverpivotally supported within said opening, a bracket carried by the louver and extending toward the interior ofthe cowl, an arm pivoted within the cowl the free end of which overhangs the end of the aforesaidbracket, and a yielding abutment for engagement by the arm when the arm is swung downwardly below a predetermined position, the abutment tending to return the arm to such predeterminati position.

8. A ventilator comprising, in combina-v tion, a .cowl having an opening in oneside thereof, a louver pivotally supported within said opening, a bracket carried by the louver and extending toward the interior of the cowl, an arm pivoted ywithin the cowl the free end of which overhangs the end of the aforesaid bracket, a yielding abutment for engagement by the arm when the arm is swung' downwardly-below a predetermined position, the abutment tending to return the arm to such predetermined position, and means for adjusting `the elevation of the abutment.

9. A ventilator comprising, in combination, a cowl having an opening in one side thereof, a louver pivotally supported within free end of which overhangs the end of the` aforesaid bracket, a 'spring secured within" the cowl and projecting beneath the aforesaid arm, and an ajustment screw carried by the spring for engagement by the arm.

10. A ventilatori comprising, 1n combination, a cowl having an opening in one side p 35 thereof, a louver pivotally 'supported within said opening, a bracket carried. by one of thelou'vers andvextending toward the 'interiors` ci the cowl, anvarm pivoted withinthe cowl the free end oi? which overhangs the end of the aforesaid bracket, and a spring secured within the cowl and projecting beneath the aforesaid arm for engagement thereby.

'In testimony whereof, I hereunto aiiix my signature in the presence of two witnesses.

y ANTON JOCH. v`VVitnesses HAROLD E. SMITH, ALBERT H. BATES.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents,`

Washington, D. C. 

